RoboTD

arrow keys to move camera, scroll to zoom

middle click or hit perspective button to swap view (top down to perspective)

right click to move character

b or build button to toggle build mode

left click to select build pads while in build mode

hit build to build on a selected build pad

hit upgrade to increase tower level on selected build pad

hit destroy to remove a tower on a selected build pad

click the tower icon to swap between towers to place

start by building your defenses, hit the next wave button when ready to start the wave!